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Definition of sodium carbonate noun from the Oxford Advanced Learner's Dictionary

sodium carbonate

noun
 
/ˌsəʊdiəm ˈkɑːbənət/
 
/ˌsəʊdiəm ˈkɑːrbənət/
(also washing soda)
[uncountable]
(symbol Na2CO3)
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  1. a chemical in the form of white crystals or powder that dissolves in water and is used in making glass, soap and paper, and for making water soft
See sodium carbonate in the Oxford Advanced American Dictionary

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